<template>
  <van-button
    v-if="isFollowed"
    class="follow-btn"
    round
    size="small"
    :loading="loading"
    @click="onFollow"
    >已关注</van-button
  >
  <van-button
    v-else
    class="follow-btn"
    type="info"
    color="#3296fa"
    round
    size="small"
    icon="plus"
    :loading="loading"
    @click="onFollow"
    >关注</van-button
  >
</template>

<script>
import { addFollow, deleteFollow } from '@/api/user'

export default {
  name: 'FollowUser',
  components: {},
  // 自定义v-model的数据名称
  // 默认是value input
  model: {
    prop: 'isFollowed',
    event: 'update-is_followed',
  },
  props: {
    isFollowed: {
      type: Boolean,
      required: true,
    },
    userId: {
      type: [Number, Object, String],
      required: true,
    },
  },
  data() {
    return {
      loading: false,
    }
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  methods: {
    async onFollow() {
      this.loading = true
      try {
        if (this.isFollowed) {
          // 已关注，取消关注
          await deleteFollow(this.userId)
        } else {
          await addFollow(this.userId)
        }
        // this.article.is_followed = !this.article.is_followed
        this.$emit('update-is_followed', !this.isFollowed)
      } catch (error) {
        let message = '操作失败，请重试'
        if (error.response && error.response.status === 400) {
          message = '你不能关注你自己！'
        }
        this.$toast(message)
      }
      this.loading = false
    },
  },
}
</script>
<style lang='less' scoped>
</style>

